diff --git a/builder.go b/builder.go
index 191ede9..4a96a37 100644
--- a/builder.go
+++ b/builder.go
@@ -13,9 +13,10 @@ import (
 )
 
 type Builder struct {
-	rpmpack.RPMMetaData
 	BinDir  string
 	DistDir string
+	rpmpack.RPMMetaData
+	Scripts Scripts
 	Files   []PackageFile
 }
 
@@ -118,6 +119,13 @@ func (b *Builder) Package() error {
 		}
 	}
 
+	r.AddPretrans(b.Scripts.PreTransact)
+	r.AddPosttrans(b.Scripts.PostTransact)
+	r.AddPrein(b.Scripts.PreInstall)
+	r.AddPostin(b.Scripts.PostInstall)
+	r.AddPreun(b.Scripts.PreUninstall)
+	r.AddPostun(b.Scripts.PostUninstall)
+
 	// TODO: need to verify before write?
 	if err := r.Write(out); err != nil {
 		return err
diff --git a/scripts.go b/scripts.go
new file mode 100644
index 0000000..784047f
--- /dev/null
+++ b/scripts.go
@@ -0,0 +1,13 @@
+package rpmbuild
+
+// Scripts are shell (/bin/sh) executable commands and not a filename
+//
+// TODO: add post processing if necessary...
+type Scripts struct {
+	PreTransact   string
+	PostTransact  string
+	PreInstall    string
+	PostInstall   string
+	PreUninstall  string
+	PostUninstall string
+}